var CreatedOKLodop7766 = null, CLodopIsLocal;

//====判断是否需要 Web打印服务CLodop:===
//===(不支持插件的浏览器版本需要用它)===
function needCLodop() {
 try {
   var ua = navigator.userAgent;
   if (ua.match(/Windows\sPhone/i))
     return true;
   if (ua.match(/iPhone|iPod|iPad/i))
     return true;
   if (ua.match(/Android/i))
     return true;
   if (ua.match(/Edge\D?\d+/i))
     return true;

   var verTrident = ua.match(/Trident\D?\d+/i);
   var verIE = ua.match(/MSIE\D?\d+/i);
   var verOPR = ua.match(/OPR\D?\d+/i);
   var verFF = ua.match(/Firefox\D?\d+/i);
   var x64 = ua.match(/x64/i);
   if ((!verTrident) && (!verIE) && (x64))
     return true;
   else if (verFF) {
     verFF = verFF[0].match(/\d+/);
     if ((verFF[0] >= 41) || (x64))
       return true;
   } else if (verOPR) {
     verOPR = verOPR[0].match(/\d+/);
     if (verOPR[0] >= 32)
       return true;
   } else if ((!verTrident) && (!verIE)) {
     var verChrome = ua.match(/Chrome\D?\d+/i);
     if (verChrome) {
       verChrome = verChrome[0].match(/\d+/);
       if (verChrome[0] >= 41)
         return true;
     }
   }
   return false;
 } catch (err) {
   return true;
 }
}

//====页面引用CLodop云打印必须的JS文件,用双端口(8000和18000）避免其中某个被占用：====
if (needCLodop()) {
 var src1 = "http://localhost:8000/CLodopfuncs.js?priority=1";
 var src2 = "http://localhost:18000/CLodopfuncs.js?priority=0";

 var head = document.head || document.getElementsByTagName("head")[0] || document.documentElement;
 var oscript = document.createElement("script");
 oscript.src = src1;
 head.insertBefore(oscript, head.firstChild);
 oscript = document.createElement("script");
 oscript.src = src2;
 head.insertBefore(oscript, head.firstChild);
 CLodopIsLocal = !!((src1 + src2).match(/\/\/localho|\/\/127.0.0./i));
}

//====获取LODOP对象的主过程：====
function getLodop(oOBJECT, oEMBED) {
 var strHtmInstall = "<br><font color='#FF00FF'>打印控件未安装!点击这里<a href='install_lodop32.exe' target='_self'>执行安装</a>,安装后请刷新页面或重新进入。</font>";
 var strHtmUpdate = "<br><font color='#FF00FF'>打印控件需要升级!点击这里<a href='install_lodop32.exe' target='_self'>执行升级</a>,升级后请重新进入。</font>";
 var strHtm64_Install = "<br><font color='#FF00FF'>打印控件未安装!点击这里<a href='install_lodop64.exe' target='_self'>执行安装</a>,安装后请刷新页面或重新进入。</font>";
 var strHtm64_Update = "<br><font color='#FF00FF'>打印控件需要升级!点击这里<a href='install_lodop64.exe' target='_self'>执行升级</a>,升级后请重新进入。</font>";
 var strHtmFireFox = "<br><br><font color='#FF00FF'>（注意：如曾安装过Lodop旧版附件npActiveXPLugin,请在【工具】->【附加组件】->【扩展】中先卸它）</font>";
 var strHtmChrome = "<br><br><font color='#FF00FF'>(如果此前正常，仅因浏览器升级或重安装而出问题，需重新执行以上安装）</font>";
 var strCLodopInstall_1 = "<br><font color='#FF00FF'>Web打印服务CLodop未安装启动，点击这里<a href='CLodop_Setup_for_Win32NT.exe' target='_self'>下载执行安装</a>";
 var strCLodopInstall_2 = "<br>（若此前已安装过，可<a href='CLodop.protocol:setup' target='_self'>点这里直接再次启动</a>）";
 var strCLodopInstall_3 = "，成功后请刷新本页面。</font>";
 var strCLodopUpdate = "<br><font color='#FF00FF'>Web打印服务CLodop需升级!点击这里<a href='CLodop_Setup_for_Win32NT.exe' target='_self'>执行升级</a>,升级后请刷新页面。</font>";
 var LODOP;
 try {
   var ua = navigator.userAgent;
   var isIE = !!(ua.match(/MSIE/i)) || !!(ua.match(/Trident/i));
   if (needCLodop()) {
     try {
       LODOP = getCLodop();
     } catch (err) {}
     if (!LODOP && document.readyState !== "complete") {
       alert("网页还没下载完毕，请稍等一下再操作.");
       return;
     }
     if (!LODOP) {
       document.body.innerHTML = strCLodopInstall_1 + (CLodopIsLocal ? strCLodopInstall_2 : "") + strCLodopInstall_3 + document.body.innerHTML;
       return;
     } else {
       if (CLODOP.CVERSION < "3.0.7.5") {
         document.body.innerHTML = strCLodopUpdate + document.body.innerHTML;
       }
       if (oEMBED && oEMBED.parentNode)
         oEMBED.parentNode.removeChild(oEMBED);
       if (oOBJECT && oOBJECT.parentNode)
         oOBJECT.parentNode.removeChild(oOBJECT);
     }
   } else {
     var is64IE = isIE && !!(ua.match(/x64/i));
     //=====如果页面有Lodop就直接使用，没有则新建:==========
     if (oOBJECT || oEMBED) {
       if (isIE)
         LODOP = oOBJECT;
       else
         LODOP = oEMBED;
     } else if (!CreatedOKLodop7766) {
       LODOP = document.createElement("object");
       LODOP.setAttribute("width", 0);
       LODOP.setAttribute("height", 0);
       LODOP.setAttribute("style", "position:absolute;left:0px;top:-100px;width:0px;height:0px;");
       if (isIE)
         LODOP.setAttribute("classid", "clsid:2105C259-1E0C-4534-8141-A753534CB4CA");
       else
         LODOP.setAttribute("type", "application/x-print-lodop");
       document.documentElement.appendChild(LODOP);
       CreatedOKLodop7766 = LODOP;
     } else
       LODOP = CreatedOKLodop7766;
     //=====Lodop插件未安装时提示下载地址:==========
     if ((!LODOP) || (!LODOP.VERSION)) {
       if (ua.indexOf('Chrome') >= 0)
         document.body.innerHTML = strHtmChrome + document.body.innerHTML;
       if (ua.indexOf('Firefox') >= 0)
         document.body.innerHTML = strHtmFireFox + document.body.innerHTML;
       document.body.innerHTML = (is64IE ? strHtm64_Install : strHtmInstall) + document.body.innerHTML;
       return LODOP;
     }
   }
   if (LODOP.VERSION < "6.2.2.6") {
     if (!needCLodop())
       document.body.innerHTML = (is64IE ? strHtm64_Update : strHtmUpdate) + document.body.innerHTML;
     return LODOP;
   }
   //===如下空白位置适合调用统一功能(如注册语句、语言选择等):==



   //=======================================================
   return LODOP;
 } catch (err) {
   alert("getLodop出错:" + err);
 }
}

const LodopPlugin = {}
LodopPlugin.install = function (Vue, options) {
 // 4. 添加实例方法
 Vue.prototype.$getLodop = getLodop
}
export default LodopPlugin

